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Service Source 



I 




Apple Cinema Display (20-inch) 

January 28, 2003 



© 2003 Apple Computer, Inc. All rights reserved. 



Service Source 




Take Apart 



Apple Cinema Display (20-inch) 



© 2003 Apple Computer, Inc. All rights reserved. 




Tools 



The following tools are recommended for the take apart procedures. 
2 mm hex key 
2.5 mm hex key 

jeweler's #1 Phillips screwdriver (for backlight bulb tray removal) 
#2 Phillips screwdriver 
black stick (nylon probe tool 922-5065) 

white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 
ESD wrist strap and mat or soft cloth 



Important: The display plastics, inside and out, retain fingerprints and can scratch easily. 
Be very careful with tools, lay the display and plastic parts only on a clean soft surface, 
and wear clean white cotton gloves when handling and servicing the display. 



Tools 



Apple Cinema Display (20-inch) Take Apart - 1 




Foot Assembly 



Tools 

This procedure requires the following tools: 

• 2 mm hex key 

• white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 

• ESD mat or soft cloth 



Part Location 







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Preliminary Steps 

Before you begin, do the following: 

• Place the display face down on an ESD mat or soft cloth 

Note: Use care to prevent damage to plastics and wear white cotton gloves to prevent 
fingerprints. 



2 - Apple Cinema Display (20-inch) Take Apart 



Foot Assembly 



Procedure 

1 . Remove three hex screws. 

2. Lift the foot off the hinge. 




3. Pull the ADC (Apple Display Connector) cable through the opening in the foot to 
separate the foot and the cable. 

4. Remove the clear hinge cap. 

Replacement Note: If the plastic "break-off" is noticeable, install it facing down. 




Foot Assembly 



Apple Cinema Display (20-inch) Take Apart - 3 




Rear Cover and 
Rear Cosmetic Shield 



Tools 

This procedure requires the following tools: 

• 2.5 mm hex key 

• white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 

• ESD mat or soft cloth 

Note: Use care to prevent damage to plastics and wear white cotton gloves to prevent 
fingerprints. 

Preliminary Steps 

Before you begin, do the following: 

• Place the display face down on an ESD mat or soft cloth 

• Remove foot assembly and hinge cover 



4 - Apple Cinema Display (20-inch) Take Apart Rear Cover and Rear Cosmetic Shield 



Procedure 

1 . Remove twelve hex screws on the rear cover. 

Replacement Note: The three "shoulder" screws install along the bottom. 
Replacement Note: Screws are easily stripped; do not overtighten. 



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2. Lift the rear cover from the top to help disengage it from the tabs on the front legs. 

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Replacement Note: Verify that the USB socket cover is in place, and that the arrowheads 
on the USB icon point up. 



Rear Cover and Rear Cosmetic Shield 



Apple Cinema Display (20-inch) Take Apart - 5 



Replacement Note: Install the legs of the rear cover over the legs of the bezel first, then 
ensure that the seam of the rear cover and bezel seat flush and smooth all around. 

3. Remove the cosmetic shield. 




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Replacement Note: Verify that the rear cosmetic shield and the clear plastic rear cover 
are free of dust, fingerprints and foreign matter before reassembling. 



6 - Apple Cinema Display (20-inch) Take Apart 



Rear Cover and Rear Cosmetic Shield 




EMI Shield 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• black stick (nylon probe tool 922-5065) 

Part Location 







Preliminary Steps 



Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 



EMI Shield 



Apple Cinema Display (20-inch) Take Apart - 7 



Procedure 

1 . Remove the USB socket cover. 

Replacement Note: Verify that the clear plastic USB cover is in place over the USB 
socket, and that the arrowheads on the USB icon point up. 







2. Remove ten Phillips screws on the EMI shield. 




8 - Apple Cinema Display (20-inch) Take Apart 



EMI Shield 



Note: Two screws are hidden under the edge of the vent labels along the bottom 
edge of the EMI shield. A black stick may help to raise the labels slightly for access. 











3. Remove the EMI shield. 




EMI Shield 



Apple Cinema Display (20-inch) Take Apart - 9 



Replacement Note: Verify that the EMI gaskets are on the replacement shield. If not, 
transfer them to the replacement shield from the shield being replaced. 




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Replacement Note: If replacing the EMI shield, install new vent label adhesive sponges 
and vent labels. The labels may be transferable if in good condition. 

Replacement Note: Verify that the ferrite bead around the ADC cable assembly, just 
above the hinge, is slid down so it does not interfere with the shield placement. 



10 - Apple Cinema Display (20-inch) Take Apart 



EMI Shield 




USB Cable Assembly 



Note: The USB cable assembly comes with the USB socket. 

Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

Preliminary Steps 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove USB socket cover 

• Remove EMI shield 



USB Cable Assembly Apple Cinema Display (20-inch) Take Apart - 1 1 



Procedure 

1 . Remove four Phillips screws — two on the USB socket and two on the cable clamps. 

2. Disconnect the cable connector from the main board and remove the USB cable 
assembly. 

Note: Push down on the back end of the tab on the top of the cable connector to 
disengage the connector. 








Replacement Note: Transfer the two identical cable clamps to the replacement cable 
assembly, if usable, otherwise install new clamps. 



12 - Apple Cinema Display (20-inch) Take Apart 



USB Cable Assembly 




Hinge 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

Preliminary Steps 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove USB socket cover 

• Remove EMI shield 

Procedure 

1 . Remove four Phillips screws. Remove the hinge. 




Replacement Note: The hinge foot is keyed with three holes that must fit onto pins on the 
chassis. 



Hinge 



Apple Cinema Display (20-inch) Take Apart - 13 




ADC Cable Assembly 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

Preliminary Steps 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove USB socket cover 

• Remove EMI shield 

• Remove hinge 



14 - Apple Cinema Display (20-inch) Take Apart ADC Cable Assembly 



Procedure 

1 . Remove four Phillips screws — two from the ADC cable hold down block and two from 
the cable clamps. 

2. Disconnect the ADC cable's one cable connector from the panel, and two connectors 
from the main board. 




3. Remove the ADC cable assembly. 

Replacement Note: Transfer the two cable clamps to the replacement cable assembly, if 
usable, otherwise install new clamps. 



ADC Cable Assembly 



Apple Cinema Display (20-inch) Take Apart - 15 




Main Board 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• ESD wrist strap 

Preliminary Steps 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove EMI shield 



Procedure 

Note: Wear an ESD wrist strap when performing this procedure. 

1 . Disconnect the cable connectors from the main board. 

2. Remove four Phillips screws and remove the board. 



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Replacement Note: Verify notches along board edges align with tabs on chassis. 
16 - Apple Cinema Display (20-inch) Take Apart Main Board 




Inverter Board 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• ESD wrist strap 

Preliminary Steps 

Warning: The inverter board generates high voltage when the display is plugged in. 
Do not touch the inverter board components, pins or connectors, when the display is 
connected to the computer. 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove EMI shield 



Inverter Board Apple Cinema Display (20-inch) Take Apart - 17 



Procedure 



Note: Wear an ESD wrist strap when performing this procedure. 

1 . Disconnect the cable connectors from the inverter board. 

2. Remove four Phillips screws and remove the board. 





Replacement Note: Verify notches along board edges align with tabs on chassis. 



18 - Apple Cinema Display (20-inch) Take Apart 



Inverter Board 




Display Panel 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• black stick (nylon probe tool 922-5065) 

• white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 

Preliminary Steps 

Before you begin, do the following: 

• Remove foot assembly and hinge cover 

• Remove rear cover and rear cosmetic shield 

• Remove bezel and inner bezel assembly 

• Remove EMI shield 



Display Panel Apple Cinema Display (20-inch) Take Apart - 19 



Procedure 

1 . Carefully peel back the adhesive foil that secures the backlight bulb wires, to free the 
wires and expose the screws that secure the left side of the display panel. 

2. Disconnect the backlight bulb wire connectors from the inverter board. 




3. Disconnect cable connectors to the display panel. 

4. Remove the four Phillips screws located at the corners. 

5. Remove two Phillips screws along the top side of the chassis, and two Phillips screws 
along the bottom side of the chassis. 

Important: Support underneath the display assembly if lifting it up while removing 
screws, to prevent the display from falling out of the chassis. 




20 - Apple Cinema Display (20-inch) Take Apart 



Display Panel 



6. Remove chassis, being careful not to catch wires. 




Replacement Note: Be careful not to catch or pinch the backlight bulb wires. 

Replacement Note: Replace the long corner screws first, before the top and bottom side 
screws. 

Note: The top side and bottom side screws are different. The screws for the top have a flat 
head. The screws for the bottom have a rounded head. 



Display Panel 



Apple Cinema Display (20-inch) Take Apart - 21 




Bezel 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• black stick (nylon probe tool 922-5065) 

• white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 

Part Location 




Preliminary Steps 



Before you begin, do the following: 

• Remove rear cover and rear cosmetic shield 



22 - Apple Cinema Display (20-inch) Take Apart 



Bezel 



Procedure 

1 . Remove twelve Phillips screws. 




2. Disconnect the power switch and launch switch wire connectors from the inner bezel. 

Replacement Note: When reattaching the cable connectors, the board will be springy. 
Verify secure connection. 




Bezel 



Apple Cinema Display (20-inch) Take Apart - 23 





3. Carefully separate the wire clips enough to remove the wires. 




24 - Apple Cinema Display (20-inch) Take Apart 



Bezel 



4. Lift the display assembly from the inner bezel assembly. 




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5. Locate the bezel (A) and inner bezel (B). 







Bezel 



Apple Cinema Display (20-inch) Take Apart - 25 



6. To remove the inner bezel from the bezel, start at a corner and lift up on the inner 
bezel while using a black stick to push in and disengage the bezel clips through the 
rectangular slots, shown. 




7. Lift off the inner bezel. 




26 - Apple Cinema Display (20-inch) Take Apart 



Bezel 



Note: The bezel cosmetic shield with logo are also removable. 





Replacement Note: When reassembling the bezel and inner bezel, make sure to snap 
each bezel clip together. 




Replacement Note: Verify that the bezel and inner bezel are free of dust, fingerprints and 
foreign matter before reassembling. 



Bezel 



Apple Cinema Display (20-inch) Take Apart - 27 




Touch Switches 



Tools 

This procedure requires the following tools: 

• #2 Phillips screwdriver 

• black stick (nylon probe tool 922-5065) 

• white cotton gloves (922-1592) (to prevent fingerprints on cosmetic surfaces) 

Part Location 

Note: The launch switch board (A) and the power switch board (B) are identical. 



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Preliminary Steps 

Before you begin, do the following: 
• Remove bezel 

Note: If inspecting or replacing the touch switch cables, also remove the EMI shield. 



28 - Apple Cinema Display (20-inch) Take Apart 



Touch Switches 



Procedure 

1 . Remove the Phillips screw. 

Replacement Note: Screws are easily stripped; do not overtighten. 




Replacement Note: Make sure that the rubber boot is in place on the inner bezel before 
installing the switch board. 




Touch Switches 



Apple Cinema Display (20-inch) Take Apart - 29 



Replacement Note: Ensure that the notches at the ends of the board fit onto the tabs on 
the inner bezel. 




Replacement Note: When reattaching the cable connector, the board will be springy. 
Verify secure connection. 



30 - Apple Cinema Display (20-inch) Take Apart 



Touch Switches 



Service Source 




Views 



Apple Cinema Display (20-inch) 



© 2003 Apple Computer, Inc. All rights reserved. 



Block Diagram 



Panel Signal Input 



Backlight Bulb 
Connectors 



Inverter 
Board 



Backlight Bulb 
Connectors 



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USB Socket 



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Main Board 



LCD Display Panel 



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Power On/Off Board 



Launch Board 



ADC Cable 



Apple Cinema Display (20-inch) Views - 1 



Exploded View 



Screw (foot to hinge) 922-5551 
Screw (rear cover - top & sides) 922-5601 



EMI shield 922-5514 



Cable (panel to main board) 922-5505 

Cable (inverter to main board) 922-5504 

Clamp 922-5749 
Clamp 922-5792 

Vent labels (top), part of kit 076-0975 

Adhesive foam for vent labels 



Screw (chassis to inner bezel) 922-5617 
Screw (chassis corners) 922-561 9 

Chassis 922-5519 



Screw (chassis to panel - top side) 922-5618 



Display panel 661-1768 




Foot 922-5510 

Screw (rear cover - bottom) 922-5602 
Hinge cover 922-5511 

Rear cover w/logo 922-5512 



Rear cosmetic shield 922-5513 



Vent labels (bottom), part of kit 076-0975 
USB cover 922-5521 



Screw (hinge to chassis) 922-5620 

Hinge 922-5515 

Clamp 922-5748 

Cable assembly (USB) 922-5509 

Clamps 922-5750 

Screw (USB socket & cable clamps) 922-5554 

Screw (ADC cable hold-down & cable clamps) 

922-5554 

ADC cable assembly 922-5508 

Screw (Main board) 922-5554 

Main board 661-2758 

Cable (main board to launch button) 922-5506 

Cable (main board to power button) 922-5507 

Clamp 922-5748 

Screw (Inverter board) 922-5554 

Inverter board 661-2760 

Screw 922-5560 

(Chassis to panel - bottom side) 



Inner bezel 922-5517 



Front logo 922-5522 

Boot 922-5541 

Touch switch board 922-5530 

Screw (Touch switch) 922-5553 

Bezel cosmetic shield 922-5518 



Bezel 922-5516 



2 - Apple Cinema Display (20-inch) Views 



Screw and Cable Clamp Matrix 




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922-5551 2.0 mm Hex, 8.8 mm (L) Foot to Hinge(3) 



922-5602 2.5 mm Hex, 22 mm (L) Rear Cover - bottom (3) 



922-5601 2.5 mm Hex, 15.4 mm (L) Rear Cover - top & sides (9) 




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922-561 9 #2 Phillips, 1 9.8 mm 



Chassis corners (4) 



922-561 8 #2 Phillips (flat-head), 6.2 mm Chassis to panel - top side (2) 



922-5560 #2 Phillips (round-head), 5.8 mm Chassis to panel - bottom side (2) 






#2 Phillips, 5 mm 



922-5554 #2 Phillips, 8.2 mm 



922-5620 #2 Phillips, 8.4 mm 



922-561 7 #2 Phillips, 10.7 mm 



EMI shield to chassis (10) 



Inverter board (4), main board (4), 

ADC cable hold down block and cable clamps (4), 

USB socket and cable clamps (4) 



Hinge to chassis (4) 



Inner bezel to chassis (12) 



922-5553 #2 Phillips, 7.7 mm 



Touch switch boards (2) 




922-5748 Cable clamp 



Power switch cable (1 ) 



922-5749 Cable clamp 



ADC main cable (1) 



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922-5792 Cable clamp 



922-5750 Cable clamp 



ADC cable to panel (1) 



USB cable (2) 



Apple Cinema Display (20-inch)